Square Plastic Plugs

(Pack of 25) 2" Square ( 14 - 20 Ga 1.85" - 1.92" ID ) Black Plastic Tubing Plug, 2 Square Inch End Cap 2"x2" - Steel Fence Post Pipe Tube Cover Insert | - End Caps for Fitness Eqpt | by SBD

(Pack of 10) 2" Square ( 14 - 20 Ga 1.85" - 1.92" ID ) Black Plastic Tubing Plug, 2 Square Inch End Cap 2"x2" - Steel Fence Post Pipe Tube Cover Insert | - End Caps for Fitness Equipment | by SBD

(Pack of 100) CAPLUGS - 2 1/4" Square Black Plastic 10 - 14 Ga ( 1.99" - 2.08" ID) Tubing Plug, 2.25 Inch End Cap -Steel Fence Post Pipe Tube Cover Insert | - End Caps for Fitness Equipment

10 Pack: 1" Square (10 14 Ga - 0.72" to 0.84" ID) Black Plastic Plug, Tubing End Cap, Furniture Chair Glide Inserts | Fencing Post End Inserts | by SBD

10 Pack: (1.5" (1-1/2") OD, 10-14 Gauge) Square Black Plastic Plug, (for Hole Size 1.29" to 1.34" ID) Tubing End Cap, Furniture Chair Glide Inserts | Fencing Post End Inserts | by SBD

(10 Pack): 1.25" (1-1/4"), 14-20 Gauge | Square Black Plastic Plug, (ID Hole Size 1.1" to 1.17")Tubing End Cap, Furniture Chair Glide Inserts | Fencing Post End Inserts | by SBD

SQUARE TUBING PLUG/END CAP - 1 1/4"; BLACK PLASTIC - QUANTITY 8.

SBDs (Pack of 30) 5.0” Plug for Square Tubing (SQR 5-3-10 PE-LD) to fit Square Tube End Caps Size OD 5.0" 'Wall Thickness 3-10 Ga. (.259-.134)" – For ID 4.482” to 4.732” – Made in USA.

SBDs (Pack of 12) 5.0” Plug for Square Tubing (SQR 5-3-10 PE-LD) to fit Square Tube End Caps Size OD 5.0" 'Wall Thickness 3-10 Ga. (.259-.134)" – For ID 4.482” to 4.732” – Made in USA.

(Pack of 100) 1-1/2" SQUARE TUBING END CAP PLUG - 14-20 Ga - (Fits ID 1.35" to 1.42") Fencing Post Sliding Inserts ' Furniture Chair Leg Finishing Caps ' Fitness Equipment End Caps ' by SBD